Any hope for a dead RTX4000 GPU?

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  • jayjr1105
    Badcaps Veteran
    • Jan 2018
    • 281
    • United States

    #1

    Any hope for a dead RTX4000 GPU?

    This was a garbage freebie from work. A small component (maybe a VRM?) just went up in smoke (see pics). I contacted PNY and pushed pretty hard but they denied my RMA claim saying it could had been a surge from the PSU that made that component fry. I thought about getting an attorney involved for some type of small claims deal but I'm not sure it's worth it. It's well known in the community that PNY pulls this crap for RMA's. The client machine is operating just fine with the same power supply with the new card but they simply won't budge.

    Anyways, going forward with it. Is there any hope for repair? Or just sell for parts? Might fetch a couple hundred as it's a $1000 card new.

    https://www.badcaps.net/forum/attach...1&d=1640296661
    Attached Files
    --------------------------------------------------------------
    Ryzen 3600x
    16GB Patriot 3600MHz
    MSI B450 Gaming Plus
    MSI Air Boost Vega 56
    Acer 32" 1440P Freesync
    Rosewill Capstone 750W
    --------------------------------------------------------------
    Hakko FX-888D Station
    FX-8802 Iron
    MG Chem .8mm 63/37 RA 2.2%
  • DrasticRepairs
    Member
    • May 2021
    • 23
    • United States

    #2
    Re: Any hope for a dead RTX4000 GPU?

    That's a current ballancing MOSFET. It's not even really needed, but should be replaced anyway.
    The reason it burnt up, though, is because one of the Vcore or VMEM MOSFETs shorted. If it's VMEM, say goodbye. If it's vcore, it's most likely repairable.
    So you'll have 2 MOSFETs, and possibly a gate driver to replace.

    And uhh... that's not an RTX 4000. Those haven't come out yet. More likely an RTX 2060 or 1060.

    Comment

    • jayjr1105
      Badcaps Veteran
      • Jan 2018
      • 281
      • United States

      #3
      Re: Any hope for a dead RTX4000 GPU?

      Originally posted by DrasticRepairs
      That's a current ballancing MOSFET. It's not even really needed, but should be replaced anyway.
      The reason it burnt up, though, is because one of the Vcore or VMEM MOSFETs shorted. If it's VMEM, say goodbye. If it's vcore, it's most likely repairable.
      So you'll have 2 MOSFETs, and possibly a gate driver to replace.

      And uhh... that's not an RTX 4000. Those haven't come out yet. More likely an RTX 2060 or 1060.
      Quadro RTX 4000
      --------------------------------------------------------------
      Ryzen 3600x
      16GB Patriot 3600MHz
      MSI B450 Gaming Plus
      MSI Air Boost Vega 56
      Acer 32" 1440P Freesync
      Rosewill Capstone 750W
      --------------------------------------------------------------
      Hakko FX-888D Station
      FX-8802 Iron
      MG Chem .8mm 63/37 RA 2.2%

      Comment

      • DrasticRepairs
        Member
        • May 2021
        • 23
        • United States

        #4
        Re: Any hope for a dead RTX4000 GPU?

        Originally posted by jayjr1105
        Quadro RTX 4000
        Oh. That makes sense. Looks the same as a 2060, mostly. Still the same diagnosis. If you have the tools I can help you diagnose and repair it. You'll need a multimeter, a hot air station and a soldering iron, preferably, with a bevel tip.

        Comment

        • jayjr1105
          Badcaps Veteran
          • Jan 2018
          • 281
          • United States

          #5
          Re: Any hope for a dead RTX4000 GPU?

          Originally posted by DrasticRepairs
          Oh. That makes sense. Looks the same as a 2060, mostly. Still the same diagnosis. If you have the tools I can help you diagnose and repair it. You'll need a multimeter, a hot air station and a soldering iron, preferably, with a bevel tip.
          Yep, I have all those things.
          --------------------------------------------------------------
          Ryzen 3600x
          16GB Patriot 3600MHz
          MSI B450 Gaming Plus
          MSI Air Boost Vega 56
          Acer 32" 1440P Freesync
          Rosewill Capstone 750W
          --------------------------------------------------------------
          Hakko FX-888D Station
          FX-8802 Iron
          MG Chem .8mm 63/37 RA 2.2%

          Comment

          • SMDFlea
            Super Moderator
            • Jan 2018
            • 20736
            • UK

            #6
            Re: Any hope for a dead RTX4000 GPU?

            Originally posted by jayjr1105
            Yep, I have all those things.
            Do you have a microscope, can you get any better pictures of the burnt part, can you see any part numbers on it at all.
            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment

            • Topcat
              The Boss Stooge
              • Oct 2003
              • 16956
              • United States

              #7
              Re: Any hope for a dead RTX4000 GPU?

              Please attach images to the thread and not use 3rd party image hosting. I fixed the initial post.
              <--- Badcaps.net Founder

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              Comment

              • jayjr1105
                Badcaps Veteran
                • Jan 2018
                • 281
                • United States

                #8
                Re: Any hope for a dead RTX4000 GPU?

                Originally posted by SMDFlea
                Do you have a microscope, can you get any better pictures of the burnt part, can you see any part numbers on it at all.
                I do, just a USB one but I'll try later.

                Originally posted by Topcat
                Please attach images to the thread and not use 3rd party image hosting. I fixed the initial post.
                Sure thing
                --------------------------------------------------------------
                Ryzen 3600x
                16GB Patriot 3600MHz
                MSI B450 Gaming Plus
                MSI Air Boost Vega 56
                Acer 32" 1440P Freesync
                Rosewill Capstone 750W
                --------------------------------------------------------------
                Hakko FX-888D Station
                FX-8802 Iron
                MG Chem .8mm 63/37 RA 2.2%

                Comment

                • jayjr1105
                  Badcaps Veteran
                  • Jan 2018
                  • 281
                  • United States

                  #9
                  Re: Any hope for a dead RTX4000 GPU?

                  Here's some images. I cleaned it up with some 99% ipa
                  Attached Files
                  --------------------------------------------------------------
                  Ryzen 3600x
                  16GB Patriot 3600MHz
                  MSI B450 Gaming Plus
                  MSI Air Boost Vega 56
                  Acer 32" 1440P Freesync
                  Rosewill Capstone 750W
                  --------------------------------------------------------------
                  Hakko FX-888D Station
                  FX-8802 Iron
                  MG Chem .8mm 63/37 RA 2.2%

                  Comment

                  • DrasticRepairs
                    Member
                    • May 2021
                    • 23
                    • United States

                    #10
                    Re: Any hope for a dead RTX4000 GPU?

                    Originally posted by jayjr1105
                    Here's some images. I cleaned it up with some 99% ipa
                    Okay, cool.
                    First, you want to pull that burnt chip off. You can test the card without it. Next, you want to measure resistance on the 12V inputs. So the 6/8 pin connectors and the 3 far left pins on the pcie fingers.
                    That will tell us which rail the shorted MOSFET is on and verify that one really is shorted.

                    A picture of the whole front of the PCB would be helpful.

                    Once you have confirmed that there really is a short, you can look for the VCORE and VMEM, power stages, DRMOS, or MOSFETs, depending on what they used. The part number of those will be necessary to find the high gate and measure the resistance on that for each phase.

                    Comment

                    • jayjr1105
                      Badcaps Veteran
                      • Jan 2018
                      • 281
                      • United States

                      #11
                      Re: Any hope for a dead RTX4000 GPU?

                      Well it got a little more interesting. It's burned on the opposite side in the same location...
                      Attached Files
                      --------------------------------------------------------------
                      Ryzen 3600x
                      16GB Patriot 3600MHz
                      MSI B450 Gaming Plus
                      MSI Air Boost Vega 56
                      Acer 32" 1440P Freesync
                      Rosewill Capstone 750W
                      --------------------------------------------------------------
                      Hakko FX-888D Station
                      FX-8802 Iron
                      MG Chem .8mm 63/37 RA 2.2%

                      Comment

                      • jayjr1105
                        Badcaps Veteran
                        • Jan 2018
                        • 281
                        • United States

                        #12
                        Re: Any hope for a dead RTX4000 GPU?

                        So a small update. I did take some time to heat up and remove the upper and bottom components that were cooked. They sort of crumbled off but they are off and the area is cleaned up. The layers seem to be badly burned underneath both components and unfortunately there is still a short to ground somewhere. Whether it's the cooked layers or a surface mount component somewhere I have no idea. I may be at the end of the road with my skillset.
                        --------------------------------------------------------------
                        Ryzen 3600x
                        16GB Patriot 3600MHz
                        MSI B450 Gaming Plus
                        MSI Air Boost Vega 56
                        Acer 32" 1440P Freesync
                        Rosewill Capstone 750W
                        --------------------------------------------------------------
                        Hakko FX-888D Station
                        FX-8802 Iron
                        MG Chem .8mm 63/37 RA 2.2%

                        Comment

                        • Bozog
                          Senior Member
                          • Jan 2022
                          • 125
                          • UK

                          #13
                          Re: Any hope for a dead RTX4000 GPU?

                          I think there is still hope that the GPU survived this, but clearly the PCB is badly damaged and almost certainly the source of the short. It might be a challenging repair

                          Comment

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